Error Code 44E
Main board lost communication with freezer compressor inverter
Moderate
Address soon - your appliance may not work properly
Also displayed as: 44E
What This Means
Communication cable between Main PCB and Inverter PCB loose or damaged; Failed Inverter PCB; Failed Main PCB
What actually causes this:
Communication wiring between the Main PCB and Inverter PCB has a loose connector or the Inverter PCB has failed.
First Thing to Check
Pull the refrigerator out and reseat all connectors on the back panel between the Main PCB and Inverter PCB.
Parts Involved
How to Fix
- 1
Check all cable connections between Main PCB and F Compressor Inverter PCB
- 2
Use an oscilloscope to confirm communication signals on the interconnect cable
- 3
Replace Inverter PCB first; if error persists, replace Main PCB
This Error Applies To
Samsung RF34H9950S Series Refrigerators (2018) (2018–present)
Related Error Codes
Main board internal I/O expander chip has failed
Cool Select Room fan stopped or not sending feedback
Chef Pantry fan motor has stopped
Internal fridge humidity sensor disconnected or failed
Fridge temperature sensor has failed or is disconnected
Chef Pantry temperature sensor has failed
Cool Select Room sensor failed or disconnected
Fridge defrost sensor disconnected or failed